- Formula : 5(NH4)2O.12WO3.5H2O

- Appearance :Free flowing white crystalline powder with no any other cast or foreign matter.

- Ignition Loss: 11.5%max

- Fsss : 35-46 micron.

- Scott Density : 1.8-2.6 G/CM3.

- Packing : In iron drums with inside plastic bags or PP/PE bag of 100kg, 200kg, 800kg net weight.

Remarks :

1) APT-1 is high purity matetial for special uses.

2) Material of 40-46micron is mainly used for producing tungsten bar for drawing wire

3) Any special requirement to the products can be discussed.

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